MONDAY, AUGUST 11

"GOSSIP GIRL" � (8:00-9:00 p.m. ET)

"All About My Brother" (TV-14, DLS) (HDTV)

GEORGINA (GUEST STAR MICHELLE TRACHTENBERG) THREATENS TO REVEAL SOMETHING DAMAGING ABOUT SERENA�S PAST / ONE OF OUR UPPER EAST SIDE TEENS REVEALS THAT HE�S GAY � Georgina (guest star Trachtenberg) informs Serena (Blake Lively) that she is prepared to reveal damaging information from Serena�s past, but no one is prepared for what Georgina does next. Blair (Leighton Meester) and Jenny (Taylor Momsen) escalate their �popularity war� by spreading scandalous rumors about each other through Gossip Girl. Dan (Penn Badgley) witnesses Jenny�s new boyfriend, Asher (guest star Jesse Swenson), cheating on her, but Jenny refuses to listen to her brother�s warning. Rufus (Matthew Settle) goes to Lily (Kelly Rutherford) for advice on how to handle Jenny�s recent out-of-character behavior. Jessica Szohr also stars. The episode was directed by Janice Cooke and written by Paul Sciarrotta (#115).